The Department of Defense, through NAVSUP Weapon Systems Support (WSS) Mechanicsburg, is soliciting proposals for the teardown, evaluation, repair, and modification of Valve and Actuator units, specifically NSN 7HH 4820-01-544-6503 and NSN 7HH 4820-01-544-7207. This procurement emphasizes firm-fixed-price offers and requires contractors to complete final delivery within 238 days of the contract's effective date, while also considering past performance in the evaluation process. The goods are critical for maintaining operational readiness and safety within naval systems, necessitating compliance with stringent requirements, including access to classified drawings, adherence to Commercial Asset Visibility (CAV) reporting, and specific packaging and marking standards. Interested contractors should submit their proposals by 4:30 PM EST on December 5, 2025, and can direct inquiries to Madison M. Gray at MADISON.M.GRAY4.CIV@US.NAVY.MIL or by phone at 717-605-4056.